Cerium Powder

Cerium Powder is a rare-earth metal form notable for its high reactivity, fine particle size, and ability to participate in oxidation–reduction reactions with precision control. Its large surface area relative to bulk cerium enhances reactivity, making it highly suitable for catalysis, alloying, and specialized metallurgical applications. Industries such as aerospace, advanced manufacturing, electronics, and environmental engineering leverage its unique properties. Specific technologies benefiting from cerium powder include high-performance catalyst formulations for chemical processing, grain refinement in specialty alloys, and reactive additives in high-temperature coatings. Research focuses on optimizing particle morphology, purity, and surface chemistry to meet the demands of emerging applications in sustainable manufacturing and advanced materials development. Its combination of reactive potential, tunability, and compatibility with high-value processes ensures cerium powder’s continued relevance in both industrial and scientific contexts.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	58
Crystal structure	Face centred cubic
Electronic structure	Xe 4f² 6s²
Valences shown	3, 4
Atomic weight( amu )	140.12
Thermal neutron absorption cross-section( Barns )	0.73
Photo-electric work function( eV )	2.9
Natural isotope distribution( Mass No./% )	136/ 0.2
Natural isotope distribution( Mass No./% )	140/ 88.4
Natural isotope distribution( Mass No./% )	142/ 11.1
Natural isotope distribution( Mass No./% )	138/ 0.3
Atomic radius - Goldschmidt( nm )	0.182
Ionisation potential( No./eV )	2/ 10.85
Ionisation potential( No./eV )	1/ 5.47
Ionisation potential( No./eV )	3/ 20.20
Ionisation potential( No./eV )	4/ 36.72

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Material condition	Cast
Poisson's ratio	0.248
Poisson's ratio	0.248
Bulk modulus( GPa )	24.4
Bulk modulus( GPa )	24.4
Tensile modulus( GPa )	33.5
Tensile modulus( GPa )	33.5
Hardness - Vickers( kgf mm⁻² )	25-30
Tensile strength( MPa )	102
Yield strength( MPa )	91

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	85.4@20°C
Temperature coefficient( K⁻¹ )	0.0087@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	1.14

Physical Properties

Element	Value
Boiling point( C )	3426
Density( gcm⁻³ )	6.75@20°C

Thermal Properties

Element	Value
Melting point( C )	799
Latent heat of evaporation( J g⁻¹ )	2680
Latent heat of fusion( J g⁻¹ )	37.3
Specific heat( J K⁻¹ kg⁻¹ )	205@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	11.3@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	8@0-100°C